Multiobjective Optimization of Steering Mechanism for Rotary Steering System Using Modified NSGA-II and Fuzzy Set Theory

Table 1

Design variables.

Items							(mm)	(mm)	(mm)	(mm)	(mm)	(mm)	(mm)	(m)	(m)
Lower	17	20	25	21	17	20	1.5	3	1.5	30	30	30	80	0.3	0.2
Upper	32	51	56	52	32	51	4	5	4	70	70	70	120	0.62	0.42